package com.example.leetcode;

class Solution70 {
    public int climbStairs(int n) {
        if(n==1 ){
            return 1;
        }
        int res=2;
        for (int i = 3; i < n; i++) {

        }
        return res;
    }

    public static void main(String[] args) {
        System.out.println(new Solution70().climbStairs(5));
    }
}